Church of St Mary is a Grade II* listed building in the Cornwall local planning authority area, England. First listed on 11 March 1974. A Victorian Church. 1 related planning application.

Church of St Mary

WRENN ID
tenth-screen-crow
Grade
II*
Local Planning Authority
Cornwall
Constituency
St Austell and Newquay MP: Noah Law (Lab)
Country
England
Date first listed
11 March 1974
Type
Church
Period
Victorian
Address
Church of St Mary, St Blazey Gate, St. Blaise, PL24 2EF
OS grid reference
SX 058 535
Coordinates
50.35013, -4.73091
Source
Historic England listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The Church of St Mary is an Anglican church built in 1848 by G E Street. It is constructed of pinkish-brown stone rubble with freestone dressings, including a spire, and has steep asbestos slate roofs with coped and buttressed gables. The church’s design is early Gothic.

The building comprises a nave, chancel, a south aisle, a tower west of the aisle, and a small lean-to vestry north of the chancel. The exterior features lancet windows of varying heights; three to each east gable end, two plus a sexfoil to the west gable end, and two windows with quatrefoil tracery to the east end of the aisle. Other windows are single lancets or grouped in pairs with a central cusped tracery. The broach spire has lucarnes, rising from a squat square tower with an arched doorway of two orders, fitted with a pair of planked doors and large ornate strap hinges.

Inside, the church has tie-beam crown-post and raftered roofs, except for the chancel which has a painted octagonal barrel roof with moulded ribs separating the panels. A three-bay arcade features moulded pointed arches on alternate round and octagonal piers with moulded capitals. The chancel window has rear arches and turned shafts, and the other windows have stone rear arches. A three-bay sedilia niche and piscina are located on the left. Fittings include plain numbered pews with square ends, an octagonal freestone font, and an octagonal freestone pulpit. The church contains stained glass with medallion motifs by Wailes. This is a very early and significant design by Street, embodying the simplicity of design that characterized the early Ecclesiological movement.

Local climate

Church of St Mary sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.

It experiences an average of 10 freeze-thaw cycles a year, fewer than 91% of listed buildings. Of these, 4 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 11 transactions since 1995
  • Related listed building consents — 1 application
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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